Stoffwechselprodukte von Actinomyceten. 32. Mitteilung. Über die Konstitution von Nonactin

Abstract
The neutral, colourless and optically inactive metabolite nonactin, C40H64O12, obtained from cultures of several Actinomyces strains, is a macrocyclic tetralactone (“macrotetrolide”) I of racemic nonactic acid, C10H18O4. The constitution II has been established for the latter by degradation. Crystallographic data for nonactin are reported.